## KMC 420H Drive Chain - Strength and Reliability The KMC 420H drive chain is a reinforced, non-O-ring chain offering significantly better performance compared to the standard 420 chain. KMC, renowned for producing high-quality drive components, guarantees exceptional durability and resistance to wear and stretching. This chain is the ideal solution for vehicles with a displacement of up to 125cm³. ### Precision and Durability The 420H KMC chain is designed to ensure smooth and reliable operation of the drive system. Its reinforced construction minimizes the risk of breakage, and the precise manufacturing ensures an optimal fit to the sprockets. As a result, this chain contributes to better power transfer and a longer lifespan of the entire drive system. ### Easy Installation The 420H KMC chain comes in an open format with a clip, allowing for quick and easy installation without the use of specialized tools. Simply fasten the clip by hand, which is extremely convenient and saves time. ### Technical Specifications * **Chain size:** 420 (roller distance: 12.7mm, width: 6.35mm, roller diameter: 7.75mm) * **Type:** Non-O-ring, reinforced * **Fastener:** Clip (tool-less installation) * **Application:** Vehicles up to 125cm³ By choosing the KMC 420H drive chain, you are investing in quality, reliability, and safety.